Samson AirLine 77 SW7A7SQE-K6 Fitness Headset System

The Samson AirLine 77 SW7A7SQE-K6 is a wireless microphone system engineered specifically for fitness instructors, active performers, and anyone who needs completely untethered vocal amplification. The defining feature is its AH7 micro transmitter, which mounts directly onto the Qe headset microphone rather than clipping to a belt. This eliminates the belt pack, the cable running from headset to waist, and the associated bounce and distraction during high-intensity activities like spin, Zumba, kickboxing, and boot camp classes. A single AAA battery powers the transmitter for up to eight hours, making it practical for instructors teaching multiple sessions in a day.

The Qe fitness headset microphone features a bidirectional pickup pattern that is tuned to maximize gain before feedback, a critical advantage in fitness studios where music is played at high volume. The CR77 true diversity receiver uses two independent antenna sections to minimize signal dropouts caused by reflections off walls, mirrors, and equipment in gym environments. Output options include balanced XLR and unbalanced 1/4-inch connections, making the receiver compatible with professional PA systems, portable speakers, and mixing boards. Operating on the K5 frequency band at 480.475 MHz, this system is ready to use out of the box in facilities where that frequency is clear.